A good or service not getting used up as it is consumed is said to be nonrival. Thus, option (b) i.e. nonrival is correct.
A good or service which is possessed or consumed by multiple users without a reduction in the amount left for others is said to be a nonrival good or service. One example of the nonrival good is the internet. When a user uses the internet, neither it causes a decrease in the amount of the internet to be used by other users nor it is used upto the limit it is consumed.
While the other options are incorrect because:
You can learn more about nonrival good at
https://brainly.com/question/19339959
#SPJ4